About the Authors

Tanja C. W. Nijboer

t.c.w.nijboer@uu.nl

Affiliations Utrecht University, Experimental Psychology, Utrecht, the Netherlands, Rudolf Magnus Institute of Neuroscience and Center of Excellence for Rehabilitation Medicine, University Medical Center Utrecht and de Hoogstraat Rehabilitation Center, Utrecht, the Netherlands

Boudewijn J. Kollen

Affiliation Department of General Practice, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands

Gert Kwakkel

Affiliations VU University Medical Center, Department of Rehabilitation Medicine, Research Institute MOVE, Amsterdam, the Netherlands, Department of Neurorehabilitation, Centre of Rehabilitation and and Rheumatology READE, Amsterdam, the Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GK. Performed the experiments: GK. Analyzed the data: TN BK. Wrote the paper: TN BK GK.